Upstream oodles of Chrome for Android code into Chromium.

chrome/browser/android/document/document_web_contents_delegate.h

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_ANDROID_DOCUMENT_DOCUMENT_WEB_CONTENTS_DELEGATE_H_
+#define CHROME_BROWSER_ANDROID_DOCUMENT_DOCUMENT_WEB_CONTENTS_DELEGATE_H_
+
+#include "components/web_contents_delegate_android/web_contents_delegate_android.h"
+
+// Stub WebContentsDelegateAndroid that is meant to be a temporary substitute
+// for a real WebContentsDelegate for the (expectedly short) period between when
+// a new WebContents is created and the new DocumentActivity/DocumentTab are
+// created and take ownership of the WebContents (which replaces this Delegate
+// with a real one).  It is not meant to do anything except allow
+// WebContentsDelegateAndroid::OpenURLFromTab() to load the URL for the
+// WebContents.
+class DocumentWebContentsDelegate
+    : public web_contents_delegate_android::WebContentsDelegateAndroid {
+ public:
+  DocumentWebContentsDelegate(JNIEnv* env, jobject obj);
+  ~DocumentWebContentsDelegate() override;
+
+  // Attaches this delegate to the given WebContents.
+  void AttachContents(JNIEnv* env, jobject obj, jobject jweb_contents);
+
+  // Registers the JNI calls.
+  static bool Register(JNIEnv* env);
+
+  // Overridden from WebContentsDelegate.
+  void AddNewContents(content::WebContents* source,
+                      content::WebContents* new_contents,
+                      WindowOpenDisposition disposition,
+                      const gfx::Rect& initial_pos,
+                      bool user_gesture,
+                      bool* was_blocked) override;
+  void CloseContents(content::WebContents* source) override;
+  bool ShouldCreateWebContents(
+      content::WebContents* web_contents,
+      int route_id,
+      int main_frame_route_id,
+      WindowContainerType window_container_type,
+      const base::string16& frame_name,
+      const GURL& target_url,
+      const std::string& partition_id,
+      content::SessionStorageNamespace* session_storage_namespace) override;
+};
+
+#endif  // CHROME_BROWSER_ANDROID_DOCUMENT_DOCUMENT_WEB_CONTENTS_DELEGATE_H_